/Engine/Plugins/Importers/USDImporter/Source/USDExporter/Public/USDConversionBlueprintLibrary.h
Copies flattened versions of the input prims onto the clipboard stage. These copied prims can then be pasted with PastePrims.
True if we managed to copy
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Prim utils") static bool CopyPrims ( const [FString](API\Runtime\Core\Containers\FString) & StageRootLayer, const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & PrimPaths )